drivers/infiniband/hw/ocrdma/ocrdma_abi.h

   1 /*******************************************************************
   2  * This file is part of the Emulex RoCE Device Driver for          *
   3  * RoCE (RDMA over Converged Ethernet) adapters.                   *
   4  * Copyright (C) 2008-2012 Emulex. All rights reserved.            *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  *                                                                 *
   8  * This program is free software; you can redistribute it and/or   *
   9  * modify it under the terms of version 2 of the GNU General       *
  10  * Public License as published by the Free Software Foundation.    *
  11  * This program is distributed in the hope that it will be useful. *
  12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  17  * more details, a copy of which can be found in the file COPYING  *
  18  * included with this package.                                     *
  19  *
  20  * Contact Information:
  21  * linux-drivers@emulex.com
  22  *
  23  * Emulex
  24  * 3333 Susan Street
  25  * Costa Mesa, CA 92626
  26  *******************************************************************/
  27
  28 #ifndef __OCRDMA_ABI_H__
  29 #define __OCRDMA_ABI_H__
  30
  31 #define OCRDMA_ABI_VERSION 1
  32 /* user kernel communication data structures. */
  33
  34 struct ocrdma_alloc_ucontext_resp {
  35         u32 dev_id;
  36         u32 wqe_size;
  37         u32 max_inline_data;
  38         u32 dpp_wqe_size;
  39         u64 ah_tbl_page;
  40         u32 ah_tbl_len;
  41         u32 rqe_size;
  42         u8 fw_ver[32];
  43         /* for future use/new features in progress */
  44         u64 rsvd1;
  45         u64 rsvd2;
  46 };
  47
  48 struct ocrdma_alloc_pd_ureq {
  49         u64 rsvd1;
  50 };
  51
  52 struct ocrdma_alloc_pd_uresp {
  53         u32 id;
  54         u32 dpp_enabled;
  55         u32 dpp_page_addr_hi;
  56         u32 dpp_page_addr_lo;
  57         u64 rsvd1;
  58 };
  59
  60 struct ocrdma_create_cq_ureq {
  61         u32 dpp_cq;
  62         u32 rsvd; /* pad */
  63 };
  64
  65 #define MAX_CQ_PAGES 8
  66 struct ocrdma_create_cq_uresp {
  67         u32 cq_id;
  68         u32 page_size;
  69         u32 num_pages;
  70         u32 max_hw_cqe;
  71         u64 page_addr[MAX_CQ_PAGES];
  72         u64 db_page_addr;
  73         u32 db_page_size;
  74         u32 phase_change;
  75         /* for future use/new features in progress */
  76         u64 rsvd1;
  77         u64 rsvd2;
  78 };
  79
  80 #define MAX_QP_PAGES 8
  81 #define MAX_UD_AV_PAGES 8
  82
  83 struct ocrdma_create_qp_ureq {
  84         u8 enable_dpp_cq;
  85         u8 rsvd;
  86         u16 dpp_cq_id;
  87         u32 rsvd1;      /* pad */
  88 };
  89
  90 struct ocrdma_create_qp_uresp {
  91         u16 qp_id;
  92         u16 sq_dbid;
  93         u16 rq_dbid;
  94         u16 resv0;      /* pad */
  95         u32 sq_page_size;
  96         u32 rq_page_size;
  97         u32 num_sq_pages;
  98         u32 num_rq_pages;
  99         u64 sq_page_addr[MAX_QP_PAGES];
 100         u64 rq_page_addr[MAX_QP_PAGES];
 101         u64 db_page_addr;
 102         u32 db_page_size;
 103         u32 dpp_credit;
 104         u32 dpp_offset;
 105         u32 num_wqe_allocated;
 106         u32 num_rqe_allocated;
 107         u32 db_sq_offset;
 108         u32 db_rq_offset;
 109         u32 db_shift;
 110         u64 rsvd1;
 111         u64 rsvd2;
 112         u64 rsvd3;
 113 } __packed;
 114
 115 struct ocrdma_create_srq_uresp {
 116         u16 rq_dbid;
 117         u16 resv0;      /* pad */
 118         u32 resv1;
 119
 120         u32 rq_page_size;
 121         u32 num_rq_pages;
 122
 123         u64 rq_page_addr[MAX_QP_PAGES];
 124         u64 db_page_addr;
 125
 126         u32 db_page_size;
 127         u32 num_rqe_allocated;
 128         u32 db_rq_offset;
 129         u32 db_shift;
 130
 131         u64 rsvd2;
 132         u64 rsvd3;
 133 };
 134
 135 #endif                          /* __OCRDMA_ABI_H__ */